Difference between revisions of "Language/Multiple-languages/Culture/Calendars-and-Clocks"

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* There are 12 months in a year.
* There are 12 months in a year.
* Days for months are 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31.
* Days for months are 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31.
* The start of a day is the midnight at Greenwich added or subtracted by multiples of 1 hour, and in some cases further add or subtract 0.5 or 0.25 of hours.
* The start of a day is the midnight in Greenwich added or subtracted by multiples of 1 hour, and in some cases further add or subtract 0.5 or 0.25 of hours.
* The leap day is placed in the second month.
* The leap day is placed in the second month.
* There is 1 leap day every 4 years, except when the year is divisible by 100 and not divisible by 400.
* There is 1 leap day every 4 years, except when the year is divisible by 100 and not divisible by 400.
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* There are 12 or 13 months in a year.
* There are 12 or 13 months in a year.
* The first month is the month with winter solstice.
* The first month is the month with winter solstice.
* There are 29 or 30 days in a month, determined by the moon phase.
* There are 29 or 30 days in a month, determined by the moon phase observed in Beijing.
* The first day of a month is the day with new moon.
* The first day of a month is the day with new moon.
* The start of a day is the midnight.
* The start of a day is the midnight.
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* There are 12 or 13 months in a year.
* There are 12 or 13 months in a year.
* The first month is the month with winter solstice.
* The first month is the month with winter solstice.
* There are 29 or 30 days in a month, determined by the moon phase.
* There are 29 or 30 days in a month, determined by the moon phase observed in Seoul.
* The first day of a month is the day with new moon.
* The first day of a month is the day with new moon.
* The start of a day is the midnight.
* The start of a day is the midnight.
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* Year with the leap day is the year when the remainder is over 0.5 days.
* Year with the leap day is the year when the remainder is over 0.5 days.
* (11 leaps in 30 years.)
* (11 leaps in 30 years.)
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Revision as of 12:52, 30 May 2022

This is a list of calendar and timekeeping around the world.

Calendar

name description
Gregorian calendar
  • The year one is the year of presumed birth of Jesus of Nazareth.
  • There are 12 months in a year.
  • Days for months are 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31.
  • The start of a day is the midnight in Greenwich added or subtracted by multiples of 1 hour, and in some cases further add or subtract 0.5 or 0.25 of hours.
  • The leap day is placed in the second month.
  • There is 1 leap day every 4 years, except when the year is divisible by 100 and not divisible by 400.
  • (97 leaps in 400 years.)
Chinese calendar
  • The year one is the year of presumed enthronement of Yellow Thearch.
  • There are 12 or 13 months in a year.
  • The first month is the month with winter solstice.
  • There are 29 or 30 days in a month, determined by the moon phase observed in Beijing.
  • The first day of a month is the day with new moon.
  • The start of a day is the midnight.
  • Leap month is the first month without a solar term of an even number.
  • (7 leaps in 19 years.)
Korean calendar
  • The year one is the year of the foundation of Gojoseon.
  • There are 12 or 13 months in a year.
  • The first month is the month with winter solstice.
  • There are 29 or 30 days in a month, determined by the moon phase observed in Seoul.
  • The first day of a month is the day with new moon.
  • The start of a day is the midnight.
  • Leap month is the first month without a solar term of an even number.
  • (7 leaps in 19 years.)
Islamic calendar
  • The year one is the year of Hijra.
  • There are 12 months in a year.
  • There are 29 or 30 days in a month, determined by the moon phase / There are 30 days in months of an odd number, 29 days in months of an even number.
  • The first day of a month is the day with the first sight of the crescent.
  • The start of a day is at sunset.
  • Month with the leap day is the last month.
  • Year with the leap day is the year when the remainder is over 0.5 days.
  • (11 leaps in 30 years.)
Solar Hijri calendar

Timekeeping

name description
European timekeeping
  • A day is divided by 12 units ‘hour’ (in English) evenly.
  • An hour is divided by 60 units ‘minute’ (in English) evenly.
  • A minute is divided by 60 units ‘second’ (in English) evenly.
  • A leap second is added to the last minute of a day irregularly.
Chinese timekeeping
  • A day is divided by 12 units ‘時’ evenly.
  • A 時 is divided into 2 parts: ‘初’, ‘正’ evenly.
  • Every 初 and 正 is divided by 4 units ‘刻’ evenly.
Thai timekeeping
  • A day is divided by 4 periods ‘...โมงเช้า’, ‘บ่าย...โมง’, ‘...ทุ่ม’, ‘ตี...’ evenly.
  • Every such period is divided into 6 parts evenly.
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